Hi Saurav,

Usually, the cutoff of NITs irrespective of branch is under CRL - AIR 30,000.

Refer to this article to get the detailed cutoff ranks for NITs on the basis of JEE Mains Rank - https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits#JEE-Main-2020-Cutoff-for-top-NITs

Also, To know your other best admission possibilities of Institutes & branches in JOSSA & State counseling as per your percentile, You can use JEE Main College Predictor tool given below

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!